- Articles on spay clinics at the pet population explosion evoke strong responses
- Effects of different spay policies on receipts and adoptions of animals at shelters and pounds (Arthur B. Brainerd)
- Humane Legislation Digest of the National Association for Humane Legislation, Inc. (Paid Advertising Supplement)
Humane Information Services, Inc., "(No. 25) -- Adoption Policies Affect Surplus" (1973). Report to Humanitarians. 16.